E rosette assay

E rosette assay
an assay for human T lymphocytes based on the existence of a specific receptor on T cells for a sheep red blood cell membrane antigen. Peripheral blood lymphocytes are incubated with sheep red cells. T cells are surrounded by a ring of erythrocytes (an E rosette) and are counted using a hemacytometer.

Medical dictionary. 2011.

Нужно решить контрольную?

Look at other dictionaries:

  • EAC rosette assay — an assay for human B lymphocytes using complement receptors, a B cell marker. Peripheral blood cells are mixed with ox red blood cells, IgM antierythrocyte antibody, and complement deficient in C5 (to prevent red cell lysis). The antibody and… …   Medical dictionary

  • Assay — An assay is an analysis done to determine: {{}}The presence of a substance and the amount of that substance. Thus, an assay may be done for example to determine the level of thyroid hormones in the blood of a person suspected of being hypothyroid …   Medical dictionary

  • E rosette — see under assay …   Medical dictionary

  • EAC rosette — see under assay …   Medical dictionary

  • test — 1. To prove; to try a substance; to determine the chemical nature of a substance by means of reagents. 2. A method of examination, as to determine the presence or absence of a definite disease or of some substance in any of the fluids, tissues,… …   Medical dictionary

  • Pregnancy test — A pregnancy test attempts to determine whether or not a female is pregnant. Records of attempts at pregnancy testing have been found as far back as the ancient Greek and ancient Egyptian cultures. Modern pregnancy tests look for chemical markers… …   Wikipedia

  • Water quality — A rosette sampler is used to collect samples in deep water, such as the Great Lakes or oceans, for water quality testing. Water quality is the physical, chemical and biological characteristics of water.[1] It is a measure of the condition of… …   Wikipedia

  • Drosera rotundifolia — Scientific classification Kingdom: Plantae (unranked) …   Wikipedia

  • hormone — hormonal, hormonic /hawr mon ik, moh nik/, adj. /hawr mohn/, n. 1. Biochem. any of various internally secreted compounds, as insulin or thyroxine, formed in endocrine glands, that affect the functions of specifically receptive organs or tissues… …   Universalium

  • plant disease — ▪ plant pathology Introduction       an impairment of the normal state of a plant that interrupts or modifies its vital functions.       All species of plants, wild and cultivated alike, are subject to disease. Although each species is… …   Universalium

Share the article and excerpts

Direct link
Do a right-click on the link above
and select “Copy Link”